{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:467ML6G6XXDCQV7KMLER6YJ26Y","short_pith_number":"pith:467ML6G6","canonical_record":{"source":{"id":"quant-ph/9801028","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"1998-01-14T09:55:06Z","cross_cats_sorted":[],"title_canon_sha256":"f51126a21b611c08c998944dd1aab900f588dfb5c87646a4439672e8b54c672a","abstract_canon_sha256":"d6eb2e344848a87a0c0fada7ebd05c21b0a090500512de0168c83d0035266183"},"schema_version":"1.0"},"canonical_sha256":"e7bec5f8debdc62857ea62c91f613af62fde913a4357feaf849aa96738982030","source":{"kind":"arxiv","id":"quant-ph/9801028","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/9801028","created_at":"2026-07-04T16:10:27Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/9801028v1","created_at":"2026-07-04T16:10:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/9801028","created_at":"2026-07-04T16:10:27Z"},{"alias_kind":"pith_short_12","alias_value":"467ML6G6XXDC","created_at":"2026-07-04T16:10:27Z"},{"alias_kind":"pith_short_16","alias_value":"467ML6G6XXDCQV7K","created_at":"2026-07-04T16:10:27Z"},{"alias_kind":"pith_short_8","alias_value":"467ML6G6","created_at":"2026-07-04T16:10:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:467ML6G6XXDCQV7KMLER6YJ26Y","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/9801028","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"1998-01-14T09:55:06Z","cross_cats_sorted":[],"title_canon_sha256":"f51126a21b611c08c998944dd1aab900f588dfb5c87646a4439672e8b54c672a","abstract_canon_sha256":"d6eb2e344848a87a0c0fada7ebd05c21b0a090500512de0168c83d0035266183"},"schema_version":"1.0"},"canonical_sha256":"e7bec5f8debdc62857ea62c91f613af62fde913a4357feaf849aa96738982030","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:10:27.353865Z","signature_b64":"fCsUuyaIZHNKWFY3ODFRB/YxXEqBXKaziWbb598ayjR5I1BKwekF7MZRpBtLPpYi1q+IGHwf77xJUc8qtZG8Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e7bec5f8debdc62857ea62c91f613af62fde913a4357feaf849aa96738982030","last_reissued_at":"2026-07-04T16:10:27.353435Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:10:27.353435Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/9801028","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:10:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+xFpHd4m6H+dnh/29yQwcPAUU6FG1JhUSXrwRzWJhA5KMdnkrikbmgE8qiH6sgvzeIxFN4Tb6oD7A1b0Wd7kCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T23:01:16.881930Z"},"content_sha256":"6c1af9a7e5d6f5da5b880f368a55b30499340fd5aae2855417b32ab23e487098","schema_version":"1.0","event_id":"sha256:6c1af9a7e5d6f5da5b880f368a55b30499340fd5aae2855417b32ab23e487098"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:467ML6G6XXDCQV7KMLER6YJ26Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reply on the ``Comment on `Loss-error compensation in quantum- state measurements' ''","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"T. Kiss, U. Herzog, U. Leonhardt","submitted_at":"1998-01-14T09:55:06Z","abstract_excerpt":"The authors of the Comment [G. M. D'Ariano and C. Macchiavello to be published in Phys. Rev. A, quant-ph/9701009] tried to reestablish a 0.5 efficiency bound for loss compensation in optical homodyne tomography. In our reply we demonstrate that neither does such a rigorous bound exist nor is the bound required for ruling out the state reconstruction of an individual system [G. M. D'Ariano and H. P. Yuen, Phys. Rev. Lett. 76, 2832 (1996)]."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/9801028","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/quant-ph/9801028/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:10:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oAUcNAruAqgzeRYWFdDZ83iZUOcLfL8sBlflUFIfNe5//zf8Xh0Z9IxB6pS3tsM2fntiWcVXLXnhAipII+THCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T23:01:16.882214Z"},"content_sha256":"db7c19d377339e976580ccad1974472af5a5d657b39ba6657ec4003700083606","schema_version":"1.0","event_id":"sha256:db7c19d377339e976580ccad1974472af5a5d657b39ba6657ec4003700083606"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/467ML6G6XXDCQV7KMLER6YJ26Y/bundle.json","state_url":"https://pith.science/pith/467ML6G6XXDCQV7KMLER6YJ26Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/467ML6G6XXDCQV7KMLER6YJ26Y/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-31T23:01:16Z","links":{"resolver":"https://pith.science/pith/467ML6G6XXDCQV7KMLER6YJ26Y","bundle":"https://pith.science/pith/467ML6G6XXDCQV7KMLER6YJ26Y/bundle.json","state":"https://pith.science/pith/467ML6G6XXDCQV7KMLER6YJ26Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/467ML6G6XXDCQV7KMLER6YJ26Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:467ML6G6XXDCQV7KMLER6YJ26Y","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"d6eb2e344848a87a0c0fada7ebd05c21b0a090500512de0168c83d0035266183","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"1998-01-14T09:55:06Z","title_canon_sha256":"f51126a21b611c08c998944dd1aab900f588dfb5c87646a4439672e8b54c672a"},"schema_version":"1.0","source":{"id":"quant-ph/9801028","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/9801028","created_at":"2026-07-04T16:10:27Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/9801028v1","created_at":"2026-07-04T16:10:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/9801028","created_at":"2026-07-04T16:10:27Z"},{"alias_kind":"pith_short_12","alias_value":"467ML6G6XXDC","created_at":"2026-07-04T16:10:27Z"},{"alias_kind":"pith_short_16","alias_value":"467ML6G6XXDCQV7K","created_at":"2026-07-04T16:10:27Z"},{"alias_kind":"pith_short_8","alias_value":"467ML6G6","created_at":"2026-07-04T16:10:27Z"}],"graph_snapshots":[{"event_id":"sha256:db7c19d377339e976580ccad1974472af5a5d657b39ba6657ec4003700083606","target":"graph","created_at":"2026-07-04T16:10:27Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/quant-ph/9801028/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The authors of the Comment [G. M. D'Ariano and C. Macchiavello to be published in Phys. Rev. A, quant-ph/9701009] tried to reestablish a 0.5 efficiency bound for loss compensation in optical homodyne tomography. In our reply we demonstrate that neither does such a rigorous bound exist nor is the bound required for ruling out the state reconstruction of an individual system [G. M. D'Ariano and H. P. Yuen, Phys. Rev. Lett. 76, 2832 (1996)].","authors_text":"T. Kiss, U. Herzog, U. Leonhardt","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"1998-01-14T09:55:06Z","title":"Reply on the ``Comment on `Loss-error compensation in quantum- state measurements' ''"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/9801028","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:6c1af9a7e5d6f5da5b880f368a55b30499340fd5aae2855417b32ab23e487098","target":"record","created_at":"2026-07-04T16:10:27Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"d6eb2e344848a87a0c0fada7ebd05c21b0a090500512de0168c83d0035266183","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"1998-01-14T09:55:06Z","title_canon_sha256":"f51126a21b611c08c998944dd1aab900f588dfb5c87646a4439672e8b54c672a"},"schema_version":"1.0","source":{"id":"quant-ph/9801028","kind":"arxiv","version":1}},"canonical_sha256":"e7bec5f8debdc62857ea62c91f613af62fde913a4357feaf849aa96738982030","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e7bec5f8debdc62857ea62c91f613af62fde913a4357feaf849aa96738982030","first_computed_at":"2026-07-04T16:10:27.353435Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:10:27.353435Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fCsUuyaIZHNKWFY3ODFRB/YxXEqBXKaziWbb598ayjR5I1BKwekF7MZRpBtLPpYi1q+IGHwf77xJUc8qtZG8Cg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:10:27.353865Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/9801028","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c1af9a7e5d6f5da5b880f368a55b30499340fd5aae2855417b32ab23e487098","sha256:db7c19d377339e976580ccad1974472af5a5d657b39ba6657ec4003700083606"],"state_sha256":"3e93aec809faf334ec78a0f8486164938ebd396400e2dcab1c512f541180d956"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UGZOXLyrTRJ6QAWRRVXRhZ3pMS0BfqMmjQDSqCNLHaeryFHpuQbzCIUDUOveI240MS/rJDLMra5A9j/jQy5CDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T23:01:16.885423Z","bundle_sha256":"46b9ebf304dfa79d45b6c7faec28f973fb3b4f457cadd0f5153cdd3cba245223"}}